/*
 * Copyright (c) 2006-2011, Petr Panteleyev
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright notice,
 *       this list of conditions and the following disclaimer in the documentation
 *       and/or other materials provided with the distribution.
 *    3. The name of the author may not be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.panteleyev.livejournal;

import java.awt.BorderLayout;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.ArrayList;

import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JScrollPane;

import org.panteleyev.swing.BasicDialog;
import org.panteleyev.swing.CheckListCellRenderer;
import org.panteleyev.swing.OkCancelButtonPanel;
import org.panteleyev.swing.SimpleListModel;

public class SharedJournalSelectionDialog extends BasicDialog<JFrame> {
    private JList journalList = new JList();

    private boolean[] selected;
    private ArrayList<String> journals;
    private SimpleListModel listModel;

    public SharedJournalSelectionDialog(JFrame parent, ArrayList<String> journals) {
        super(parent);
        initComponents();

        this.journals = journals;
        selected = new boolean[journals.size()];

        createList();
        pack();
    }

    private void initComponents() {
        setTitle(L10N.JOURNAL_SELECTION_DIALOG_TITLE.s());
        getContentPane().setLayout(new BorderLayout());

        journalList.addMouseListener(new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent evt) {
                if (evt.getClickCount() == 2) {
                    int index = journalList.getSelectedIndex();
                    if (index != -1) {
                        selected[index] = !selected[index];
                        listModel.fireListDataChanged();
                    }
                }
            }
        });

        getContentPane().add(new JScrollPane(journalList), BorderLayout.CENTER);
        getContentPane().add(new OkCancelButtonPanel(this), BorderLayout.SOUTH);
    }

    private void createList() {
        journalList.setCellRenderer(new CheckListCellRenderer() {
            @Override
            public java.awt.Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean hasFocus) {
                String journal = journals.get(index);
                if (journal != null) {
                    setSelected(selected[index]);
                    setText(journal);
                }

                setBackground(isSelected ? list.getSelectionBackground() : list.getBackground());
                setForeground(isSelected ? list.getSelectionForeground() : list.getForeground());
                setEnabled(list.isEnabled());
                setFont(list.getFont());
//                setBorder(hasFocus ? focusBorder : noFocusBorder);
                return this;
            }
        });

        listModel = new SimpleListModel() {
            @Override
            public Object getElementAt(int index) { return journals.get(index); }
            @Override
            public int getSize() { return journals.size(); }
        };

        journalList.setModel(listModel);
    }

    public String[] getSelectedJournals() {
        String[] arr = new String[journals.size()];
        for (int i = 0; i < arr.length; i++) {
            arr[i] = (selected[i])? journals.get(i) : null;
        }

        return arr;
    }
}
